COM Component For The Interface?

Aug 14, 2011

Unable to cast COM object of type 'System.__ComObject' to interface type 'Microsoft.VisualStudio.OLE.Interop.IServiceProvider'. This operation failed because the QueryInterface call on the COM component for the interface with IID '{6D5140C1-7436-11CE-

[code].....

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User Interface Form Identified As Component?

Feb 20, 2011

I'm having problems with coding in VB 2010 Express. One of the many errors I am dealing with is the user interface form. It says it's a component, so I have to use it in a form.

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VS 2010 Declare An External COM Component Interface?

Feb 2, 2012

creating a COM component Instance like this for supporting multiple version of COM components

Creating Instance
Private _cmObjct As Object
Public Property CreatingInstances() As Object
Get

[code]....

at the same time how to declare this method without referenced dll SSDP is an interface so how to declare this interface for my usage is this Correct ...?

Error: Dim d as Object = Activator.CreateInstance(Type.GetTypeFromProgID("SecureTronics.SSDP"))

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Creating An Interface With Several Textboxes And HTML Component And Several Buttons?

Jan 29, 2010

I am creating an interface with several textboxes and HTML component and several buttons.But when I drag any textbox onto the existing form they line up vertically one under the another or they attach directly together on the same row. I want to be able to drag and drop and place these as well as the HTML component wherever I need on the form. In VB6 I simply selected what I needed and placed it with ease. Can someone tell me what I need to do gain this simple freedom in vb.net

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Interface And Graphics :: MousePosition Relative To Form/Component?

Jan 16, 2011

So I have decided to learn more about this Invalidate() thing. I decided to simply draw a rectangle where the mouse clicks in the form, for testing.

Code:
Public Class Form1
Dim p As Point

[code].....

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Clean Elegant Solution To Form-class Level Component Collection Initializing Before Initialize Component?

Feb 3, 2011

I am converting an old Vb6 solution to .net 2.0 in vs2010. I've been working in C# for about 3 years now and .net for 5. I don't recall having this problem in C#, but if I want initialize a readonly collection of DerivedControlFoo Is there a clean way to do it besides creating a sub to do it all off somewhere else? I'd love to be able to do it at the class level at the declaration for readability and simplicity.

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Create A DLL Component For Database Operation And Use Created Component In Another Project

Mar 1, 2010

Create a DLL component for database operation and use created component in another project. Required methods, events and properties

a. Connect
b. Add
c. Delete
d. Save
e. Record navigation (first, next, previous, last)
f. Properties for all database fields
g. Events for validation of database fields.

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C# - Change A Component Name In A Component Designer In WinForms .Net

Jan 8, 2010

I've created a component whose name I'd like to be able to change while editing in the component tray. I've added a Designer action for a name property, but now I'm stuck.

Looking at the property grid, I can see that the name property is parenthesised, indicating that it's not a regular property.

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Interface And Graphics :: Create A User Interface In A Game Such As The Application XFire Using VB?

Jan 12, 2010

how to create a user interface in a game such as the application XFire using Visual Basic?

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Interface And Graphics :: Use A Graphical User Interface That Contains A Drag And Drop Form?

Oct 19, 2008

I'm working on a design project where I have to use a Graphical User Interface that contains a drag and drop form. It consists of having a window dropped on a wall. Both of them are images to scale. I would like to know what kind of code I would have to use to show the x and y coordinates of one of the points of my window when dragged so when I drop it, I'm dropping in it on the desired coordinate of the wall.

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Interface And Graphics :: How To Procede With An Interface Design Approach

May 18, 2012

I was wondering if I could elicit some tips on how to procede with an interface design approach.That is. What is a good way to go about establishing a "work area" where one can have multiple "floating forms" in this area.Can you have a form which occupies the entire windows desk top and the other forms "float" in this space? the "floating" forms would need to interact with each other where pressing buttons etc on them would affect other forms on the "workspace") Or what would be a good way to start accomplishing that? Or is there a better way to get the same effect?

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Interface And Graphics :: Link A Class / Object To An Interface?

Apr 21, 2010

I'm trying to make a .dll that contains a lot of basic functionality that a program can use. Currently i am trying to use interfaces to make a lot of this functionallity independend of the program using it but i hit a snag. The Basic idea is that a programmer will create his own object using the interface discribed in my .DLL file. Then implements those functions as he likes. He can then instanciate a controller (found in the same DLL) and sends his custom object implementing the interface to that Controller. The controller can then be started and will take over all the work. I do not know what type of object is send to the controller and idealy i want to program it in such a fashion that i shouldn't care as long as the object send implements that interface.In code I am trying to achieve the following: (quite simplyfied)

.Dll:
Code:
Public Interface MyInterface '<----Decleration of the interfaceFunction GetData() As Integer
Function SetData(Data As Integer)
end interface

[code]....

this propperly. I know that the second i set the interface adaptor in the Controller VS comes nagging that it can not be converted to a "MyInterface" Class. Obviously i am doing something wrong. I can change the datatype that the controller expects to the "MyController" type but that would completely ruin the whole idea of flexibillity. I am hoping someone sees what i am trying to do and can point out where i made the thinking error.

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Interface And Graphics :: Picture Of Interface And Get Feedback On Changes For Easier Use?

May 21, 2012

Is this where i would post a picture of my interface and get feedback on changes for easier use? If not is there someplace on this forum or any other forum to do this?

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C# - Structure Map - Registering Wrapper Of An Old Interface For A New Interface?

Nov 18, 2011

in the codebase i'm maintaining there is an old interface. Let's call it IFoo. It pretty much became obsolete and replaced with the Interface INewFoo with a change a few weeks ago, but for backwards-compatibility purposes, i wrote a wrapper class which implements INewFoo and takes an IFoo in the constructor.To clarify, consider the following code.

Public Interface IFoo
Sub DoStuff()
End Interface[code].....

For both interfaces, the implementations are loaded by scanning a few assemblies with StructureMap. Now, let's get to the bad things. Most implementations for the old interface were put into forms for reason i can neither understand nor change. Because those tend to be displayed and disposed, i have to create a new instance every time i use ObjectFactory.GetAllInstances(Of IFoo). Thats still no problem, but i'd like to register a INewFoo-Wrapper for each registered implementation of IFoo, so that i can just use ObjectFactory.GetAllInstances(of INewFoo) and get all implementations of IFoo AND INewFoo.I can't iterate through the implementations of IFoo and register a wrapper for each one because as far as i can see, you can just register those with instances.Wrong code below:

ObjectFactory.Configure(Sub(config)
config.Scan(Sub(scan)
For Each ass In assemblies[code].....

My question is: Is it possible to register a wrapper for each implementation of IFoo which always creates a new instance of the implementation before creating a new instance of the wrapper?

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Declare A Property As An Interface Collection Of An Interface?

Feb 7, 2011

I want to declare a property as an interface collection of an interface, and I want to instanciate the explicit type later, in the constructor. Something like this.

Public Class LicenseFile
Implements ILicenseFile
Public Property Collection As IList(Of ILicenseFileDataNode)

[Code]....

In short, the question is "Why It Didn't work"? This is a simplified scenario, but It's easy to take a workarround, But I need understand the reason because It's fails.

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Using Interface With Relay And Interface Is Connected To Computer?

Dec 17, 2009

I'm using interface with relay and interface is connected to computer on COM (serial) 9 pins port. In Visual Studio 2005 I'm using this

SerialPort1.Open
SerialPort1.DtrEnable = True
SerialPort1.Breakstate = True

[code].....

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C# - .NET: Interface .net Getter Only Interface?

Jan 11, 2011

Why does an interface override a class definition and violate class encapsulation? I have included two samples below, one in C# and one in VB.net?

[Code]...

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Interface Class (IUser) Which Is The Interface Of Class User?

Jan 17, 2009

I have an interface class (IUser) which is the interface of class User. Now, i want to put these into an IList but am confused as to how i should declare the IList:Dim userList As IList(Of IUser) = New List(Of IUser) Dim userList As IList(Of User) = New List(Of User) Dim userList As IList(Of IUser) = New List(Of User) Dim userList As IList(Of User) = New List(Of IUser) when instantiating should you always use its implementation; and when using it as a type use its interface?

And when im creating a new user should i use: Dim myUser as IUser = new User?

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Using A COM Component With ASP.Net?

Jan 15, 2010

I'm trying to use a registered COM component in my ASP.Net web application. The application is written in VB.Net. I've added a reference to the Com component using the IDE.

Here's the

Try
Dim physicalToken As New PhysicalDevices2.PhysicalToken
Dim physicalTokens As New PhysicalDevices2.PhysicalTokens

[code]....

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Add FLV Payer Component In .Net?

Apr 10, 2009

how to add FLV payer component in VB.Net..cz windows Media Player does't play the FLV player...

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Add FLV Player Component?

Apr 10, 2009

Its mine first post in this forum..I want to know that how to add FLV payer component in VB.Net..cz windows Media Player does't play the FLV player.

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Best Way To Register Component

Sep 19, 2010

i got a error while using my app on other System class not registered i search for the solution and this just to register the ocx component i registered the component by using setup factory its working fine on XP but in Window$ 7 i got the same error what is the best way to register the component

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Better Web Browser Component?

May 20, 2012

Is there a good web browser component for VB.NET that has all the features of the regular one? This includes printing and progress bar support. I've tried WebKit.NET, but it didn't have progress bar support. I also tried xlurunner but it had no printing support. Is there another web browser component that has both printing support and progressbar support? I shouldn't have to omit features from my browser just to get a better rendering engine.

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Download Or Get OCR .net Component?

Jan 1, 2009

May i know where can download or get OCR .net component for free?? or the cheapest one??

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How To Call A Com Component

Jun 2, 2009

I'm making some archeology, dealing with COM+I managed to enlist a simple COM dll as a COM+ component, so far so good.So I've got this 'foobar' com+ component, with it's interface, and the method I'd like to call.My question is then rally simple: how am I supposed to make a call to this component?.NET or VB6 answer is accepted (I have to check the component is OK, don't care about the client)

Edit (06/03/09): Well, I'm confused. so as to work properly, my COM+ component needs it's dll to be registered. Why not? But then, how to be sure I'm making a COM+ call, and not a COM one?

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Using A Function Component?

Jan 29, 2009

I have a function to determine the correct time that appears to function correctly, but I must be making some mistake in the "calling" of the function. This is the first time I have tried use a component and it shows.

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.NET 3RD Party Component Introduce

Jan 5, 2009

the best 3rd party component in vb.net.

The most important I want is listview / combobox

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Add Smart Tags To .net Component?

Aug 15, 2009

look at the following picture, which showing smart tag for DataGridView Now I'm creating new component and I want it to support showing some properties in Smart Tags, how to add the properties to the smart Tag?

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Basing Control From Component?

Dec 20, 2009

i have just quick question (there's not much to elaborate from OP site). Have you any links or ideas, or experiences, what is to be done to class derived from System.ComponentModel.Component, in order to show its rectangle in designed form or control. I maybe satified with just making Component shapy. Anything else should be just game. But actually I have no idea how to draw component from its basics. Any idea or link, or bunch of links very welcomed! Even my capabilities of crunching google links are nothing here.

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C# - Simple .NET CD/DVD Burning Component?

Jul 9, 2010

There's a number of postings about IMAPI in .NET, including these:

[URL]

But I can't say they're straightforward. First link looks good, though its C# WinForms realization doesn't allow simple re-using in VB.NET project without conversion.I only need to burn a list of files to a CD/DVD and that's it. Any thoughts? Freeware/open-source is preferred.

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